Add Tool to a Toolbar
To access the Customize Toolbars dialog box, open Bluebeam.
Then navigate to Tools > Toolbars > Customize.
Select the desired toolbar from the Toolbar list.
Select the desired command from the Commands list. If necessary, change Categories to locate the desired command.
Click the arrow to add it to the currently selected toolbar.
You should now see it in the Items section. Press OK.